Cita APA (7a ed.)

National Geographic Society (U.S.) Special Publications Division. (1979). Mysteries of the ancient world. The Society.

Cita Chicago Style (17a ed.)

National Geographic Society (U.S.) Special Publications Division. Mysteries of the Ancient World. Washington: The Society, 1979.

Cita MLA (9a ed.)

National Geographic Society (U.S.) Special Publications Division. Mysteries of the Ancient World. The Society, 1979.